phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('960b3f7959968c35822fb2eba74a76b9', -1, 1714601445, 1714601445, '54ccfc03', 1, 0, 0)

Line : 187
File : sessions.php